var dyn_carsOptionTree = [['7',[['A4','43'],['A6','45']]],['10',[['3 Series','86'],['318','942'],['520','937'],['525','1103'],['M3','95']]],['14',[['Aveo','1112']]],['15',[['Grand Voyager','125']]],['16',[['Berlingo','136'],['C4','909'],['Dispatch','901']]],['18',[['Matiz','159']]],['26',[['C-Max','1218'],['Fiesta','252'],['Focus','253'],['Galaxy','255'],['Mondeo','259'],['Puma','263']]],['34',[['Santa Fe','309'],['Tucson','983']]],['39',[['Sorento','342'],['Sorento Commercial','1326'],['Sportage','343']]],['43',[['Freelander','362']]],['44',[['GS 300','916'],['IS 220 D','1100']]],['51',[['Mazda3','925'],['Mazda6','410'],['MX-5','413'],['RX-7','416']]],['53',[['C 180','931'],['C Class','444'],['E 200','933'],['SL Class','454']]],['55',[['MGF','464']]],['58',[['Colt','482'],['L200','487']]],['61',[['Almera','512'],['Micra','521'],['Navara','522'],['Pathfinder','1006'],['Primastar','1007'],['Primera','525']]],['63',[['Astra','868'],['Combo','886'],['Corsa','871'],['Meriva','873'],['Movano','1129'],['Zafira','541']]],['67',[['206','550'],['307','554'],['308','1241'],['407','977'],['Expert','1201'],['Partner','1222']]],['72',[['Clio','612'],['Grand Scenic','1133'],['Kangoo','617'],['Laguna','618'],['Master','1104'],['Megane','619'],['Scenic','621']]],['75',[['45','646'],['75','648']]],['78',[['Cordoba','671'],['Ibiza','672']]],['80',[['Octavia','682'],['Roomster','1248']]],['85',[['Grand Vitara','707'],['Liana','710']]],['88',[['Auris','1154'],['Avensis','726'],['Corolla','730'],['Landcruiser','738'],['Prado','745'],['Yaris','758']]],['92',[['Zafira','805']]],['93',[['Bora','807'],['Caddy','964'],['Golf','812'],['Jetta','813'],['Lupo','816'],['Passat','817'],['Polo','819'],['Touareg','823']]],['94',[['S40','846']]]]
function populateTarget(name,triggerObj,targetObj,emptyText) {

  eval ('tree = ' + name + 'OptionTree')

  triggerValue = getValue(triggerObj)

  for (i=0;i<tree.length;i++) {

    if (tree[i][0]==triggerValue) {
      break
    }

  }

  empty(targetObj)

  newOption = new Option()
  newOption.text = emptyText;

  newOption.value = ""
  targetObj.options[targetObj.options.length] = newOption

  if (i<tree.length) {

    options = tree[i][1]
    selectThisOption = 0

    for (i=0;i<options.length;i++) {

      newOption = new Option()
      newOption.text = options[i][0]
      newOption.value = options[i][1]
      targetObj.options[targetObj.options.length] = newOption

    }

    targetObj.options.length = options.length + 1;
  }

}

function empty(select) {

  select.options.length = 0

}

function getValue(formObj) {

  value = null

  if (formObj.options) { // select

    if (formObj.selectedIndex > -1)
      value = formObj.options[formObj.selectedIndex].value

  } else {

    if (formObj.length) { // radio
      for (var b = 0; b < formObj.length; b++)
        if (formObj[b].checked)
          value = formObj[b].value
    }
    else if (formObj.checked) // checkbox
      value = formObj.value

  }

  return value

}